Samsung T3 Portable SSD - 250GB - USB 3.1 External SSD (MU-PT250B/AM)

Name: Samsung T3 Portable SSD - 250GB - USB 3.1 External SSD (MU-PT250B/AM)
Brand: Unbranded
SKU: B01AVF6WN2

Status: Samsung T3 Portable SSD - 250GB - USB 3.1… (250GB portable SSD): Unavailable on Amazon as of 2026-10-18 16:22 UTC. SpecPicks has no in-stock 250GB portable SSD on file; an Amazon search for "250GB portable SSD" lists current offers with the same specs. eBay sellers may still list this model new or used.

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Bottom line: The Samsung T3 Portable SSD: Read-write speeds up to 450 MB/s over USB 3.1; main trade-off: 250GB fills fast with 4K video or large game installs.

Unavailable on Amazon as of 2026-10-18 16:22 UTC

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-18

Mike Perry — Hardware researcher since 2014. For external drives and portable storage, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author →

Pros & Cons

Pros

✓ Read-write speeds up to 450 MB/s over USB 3.1
✓ Built-in hardware encryption protects data if lost
✓ Shock-resistant shell built for daily transport
✓ Works with PC, Mac, and Android without reformatting

Cons

✗ 250GB fills fast with 4K video or large game installs
✗ 450 MB/s trails modern NVMe portables rated 1,000 MB/s+
✗ USB 3.1 Gen 1 interface, not the faster Gen 2 spec
✗ Older T-series model superseded by T5 and T7 lines

Manufacturer description

The Samsung T3 Portable SSD packs internal-SSD speed into a drive small enough to disappear into a jacket pocket. Sequential reads and writes run up to 450 MB/s over USB 3.1, so a folder of RAW photos or a Steam library backup moves in a fraction of the time a spinning portable drive would need. The 250GB capacity suits a working scratch disk, a game overflow drive, or an editing cache rather than a whole-system archive. Samsung built the T3 around movement. The shell is shock resistant, and built-in hardware encryption means a lost drive doesn't become a lost dataset. Cross-platform support…

SpecPicks Verdict

SpecPicks scored Samsung T3 Portable SSD using a rating × review-volume × price-fit model applied to published specs and reviews across the external storage category. Compare with similarly-priced alternatives in the external storage category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for external storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

How fast is the Samsung T3 250GB?

Samsung rates the T3 at read-write speeds of up to 450 MB/s over its USB 3.1 connection, which is internal-SSD territory rather than portable-hard-drive speed. Real-world throughput depends on your host port and the file sizes you move.

Does the Samsung T3 work with Mac and Android?

Yes. Samsung lists compatibility with PC, Mac, and Android, so the same drive moves between a Windows desktop, a MacBook, and an Android phone. Check the product listing for the specific cable and adapter included in the box.

Is 250GB enough storage for this drive?

250GB suits a working scratch disk, a photo offload drive, or a few large game installs. If you archive 4K video or mirror an entire system, step up to a higher-capacity model instead.

Is the data on the Samsung T3 secure?

The T3 includes built-in hardware encryption plus a shock-resistant enclosure, so a dropped or misplaced drive doesn't expose its contents. Encryption is enabled through Samsung's Portable SSD utility.

Key Features

Portable Design with Internal SSD-level Performance
Superfast Read-Write Speeds of up to 450 MB/s
Shock Resistant & Secure Encryption
Compatible with PC, Mac, & Android OS

Full Specifications

Brand	Samsung
Color	Black
Model Name	T3
Read Speed	450 megabytes_per_second
Form Factor	Portable
Media Speed	450 megabits_per_second
Connectivity	USB
Model Number	MU-PT250B/AM
Compatibility	PC, Android, Mac
Built-In Media	Samsung Portable SSD T3 ^ USB3.1 Cable (Plug Type: C to A) ^ Quick start guide & warranty statement
Hard-Drive Size	250 GB
Mfr Part Number	MU-PT250B/AM
Number of Items	1
Special Feature	Portable, Shock Resistant
Hardware Platform	Mac, PC
Installation Type	External Hard Drive
Compatible Devices	Desktop
Data Transfer Rate	5 gigabits_per_second
Additional Features	Portable, Shock Resistant
Hard Disk Interface	USB 3.1

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